the media management layer provides functions to DLNA devices in
managing and publishing media content, and enables communication
between a DMC and a DMR (or DMP). The device discovery
and control layer provides the same six-step operations of UPnP,
and a DMC acts as a control point. The media transport layer
specifies HTTP as the basic transport protocol for media content.
The network stack and network connectivity layers define the supported
network types and protocols